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Alternaria tenius IgG

Alternaria tenius IgG

The Alternaria tenuis IgG test is a quantitative immunoassay designed to measure allergen-specific IgG antibodies in serum, assessing immune response to Alternaria tenuis mold. Found in both outdoor and indoor environments, this mold can trigger allergic reactions. While the clinical significance of IgG antibodies is not fully established, the test can offer insights into exposure levels. It is recommended for use by specialists who can interpret results within the context of a patient's health and exposure history. The test employs the ImmunoCAP Fluorescent Enzyme Immunoassay (FEIA) method, requiring a serum sample collected in a serum separator tube. Results are quantified in micrograms per milliliter, with values below 2.00 mcg/mL considered undetectable. The test's utility lies in monitoring exposure rather than diagnosing allergic conditions, as IgG presence alone does not confirm allergies. Interpretation should consider potential false positives, especially in patients with high serum IgE levels.

Price of test:£34

The lowest price from the last 30 days: £34

Awaiting result:

One day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The Alternaria tenuis IgG test is a quantitative immunoassay used to measure allergen-specific IgG antibodies in serum, assessing immune response to Alternaria tenuis mold. Key points include:

- Clinical Utility: Useful in specific cases; results must be interpreted by specialists considering patient health and exposure history. IgG presence alone doesn't indicate allergy.

- Methodology: Involves serum collection, storage, and ImmunoCAP FEIA procedure to measure fluorescence, indicating IgG levels.

- Specimen Requirements: Serum in SST, 0.2 mL minimum, refrigerated transport.

- Turnaround Time: Typically 1-8 days.

- Clinical Context: IgG presence doesn't confirm allergy; consider exposure, symptoms, and health. False positives possible with high IgE levels.

Who Should Get Tested

The Alternaria tenuis IgG test measures allergen-specific IgG antibodies in serum, offering insights into exposure and potential allergic reactions. It's useful in specific clinical contexts, ordered by specialists aware of its limitations. Key points include:

- Specimen Collection: Serum sample, ideally 0.5 mL.
- Storage: Refrigerate; stable for up to 2 weeks.
- Assay Procedure: Uses ImmunoCAP FEIA for quantitative results.
- Interpretation: Values <2.00 mcg/mL are undetectable; higher values indicate presence.
- Clinical Context: Results must be interpreted with patient history and health in mind.

Blood Test Preparation Guidelines

Time of day

It is recommended to schedule your appointment for blood tests in the morning hours between 7:00-10:00.

Fasting

It is recommended to fast for approximately 12 hours before blood sampling. The last meal of the previous day should ideally be consumed around 6:00 p.m. On the day before the test, avoid heavy and fatty meals as well as alcohol.

Stay hydrated

Drinking water prior to testing can help with sample collection.

Other factors

Tests should not be performed after a sleepless night or intense physical activity. It is recommended to avoid exercise and stress immediately before blood collection and to not smoke. A short rest is recommended.

Medications and supplements:

Blood samples should be collected before the morning dose. Some drugs can interfere with test results. Consult with your doctor whether you can delay your dose because of lab tests.

Biotin supplements:

High doses of biotin supplements can affect test results, causing false elevation or reduction. It's recommended to avoid taking biotin for at least 72 hours before blood collection. If you are taking biotin, inform the personnel collecting the blood so that they can provide specific instructions.

Interpreting Test Results

Understanding test results for the Alternaria tenuis IgG test involves several key considerations:

- Clinical Context: Results must be interpreted alongside the patient's exposure history and symptoms. The presence of IgG antibodies alone does not confirm an allergy.

- Reference Ranges: Normal ranges indicate expected results for individuals without unusual exposure. These ranges lack disease-associated significance.

- False Positives: Elevated serum IgE levels can lead to false-positive results due to nonspecific binding.

- Specialist Guidance: Only specialists should order this test, ensuring results are contextualized within the patient's overall health.

Price of test:£34

The lowest price from the last 30 days: £34

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